IMPORTANT NOTE FOR USA CUSTOMERS: ATF requires a Federal Explosives License (FEL) to purchase this product. YOU MUST BE AN FEL HOLDER OR GOVERNMENT AGENCY TO PURCHASE THIS PRODUCT. Federal, State, and Municipal government agencies (Fish and Wildlife, county landfills, airports) are exempt from this requirement. YOU WILL BE ASKED FOR PROOF AT CHECKOUT.

These highly visible cartridges produce a loud screeching noise with a sparkling tracer effect through complete travel. With a range of 250′ to 300′, these unique pyrotechnics produce an unusual, alarming sound, resulting in an immediate fear response in birds and animals. Also known as Racket Bombs, Crackers, Whistle Bombs, Screamers-Sirens, Twin Shot and, Knatterpatronen.